Number of 5 X n 0..1 arrays avoiding 0 0 0 and 0 0 1 horizontally and 0 1 0 and 1 1 1 vertically.
A208503
Number of 5 X n 0..1 arrays avoiding 0 0 0 and 0 0 1 horizontally and 0 1 0 and 1 1 1 vertically.
Terms
- a(0) =13a(1) =169a(2) =234a(3) =650a(4) =1794a(5) =4992a(6) =13806a(7) =38376a(8) =106236a(9) =295074a(10) =817362a(11) =2269098a(12) =6288048a(13) =17450550a(14) =48371544a(15) =134210700a(16) =372088314a(17) =1032237882a(18) =2862135666a(19) =7939298016a(20) =22015398366a(21) =61064779464a(22) =169339275612a(23) =469681757298
External references
- oeis: A208503